Trillian for BlackBerry will be released in a public beta in the next few days, according to CrackBerry. Trillian integrates multiple chat services in one client. Trillian supports MSN, Yahoo, AIM, ICQ, MySpace, Facebook, Jabber and Google Talk.

The Trillian app for BlackBerry has the following features:

Send pictures - BB API is a little weak here but we've wrangled it into some form of submission :)

Stay signed on for up to 7 days with the application closed

Contact avatars

Manage your contact list - group contacts, rename contact list items, sorting and offline contact preferences

Alerts and notifications: LED alert, email push notifications, full integration with standard BB "profiles" system

Set local display name, set local avatar

Copy & paste in message windows

Privacy managment (blocking, visibility controls, etc)

View user information (AIM profiles, etc)

According the CrackBerry the beta will be available "in the next few days" so stay tuned.